60 million American and nearly third of the UK population suffer symptoms of insomnia. Find out whether hormones contribute to your sleep loss. In a perfect world, the master stress hormone cortisol should be in sync with the master sleep hormone melatonin. Each hormone counter-balances the other in a precise rhythm – when cortisol is high melatonin should be low, and when melatonin is high cortisol should be low. For many, this rhythm is out of balance. With an estimated 60 million Americans suffering from some degree of sleep loss and *nearly a third of the UK population are suffering...